Spring allergic rhinitis is a type of allergic rhinitis, which can have symptoms such as itchy nose, paroxysmal sneezing, clear watery nasal discharge and nasal congestion. Its onset is related to allergens, genetics and other factors. 1. Allergen: allergen sensitization and excitation is the direct cause of this disease. It mainly includes mites, pollen, insects, etc. The allergens of spring allergic rhinitis are mostly pollen. 2. Genetic factors: this disease has a certain genetic susceptibility, people with a family history of allergic reactions are more likely to suffer from this disease. Spring allergic rhinitis can cause a variety of symptoms, can cause secretory otitis media and other complications, and even seriously affect the quality of life. When spring allergic rhinitis occurs, it is important to consult a doctor in time, complete the relevant examinations, clarify the allergens, and make appropriate treatment.